Functional Safety Assessment of Valve Assemblies (Part 1)

[:en][vc_row][vc_column][vc_column_text]In this blog series, I will cover the emerging trends in the valve assembly market, how these trends relate to the IEC 61511 requirements, and what’s in a final element. When you look at the different devices that go into...

Why Run-to-Fail Is Not A Good Maintenance Strategy For SIS

[vc_row][vc_column][vc_column_text]One of the fundamentals of the Probability of Failure on Demand (PFDavg)calculations in SIL verification analysis, is the concept of a constant failure-rate during useful life of the equipment.  Probabilistic calculations assume that...

What do you need to know about traceability for IEC 61508?

[:en][vc_row][vc_column][vc_column_text]Traceability is about connecting the dots to determine that the web of activities for a functional safety project have followed the proper paths.  Think of it like cheating at hide-n-seek; it provides a shortcut to find all...